Remove legacy StartsWithASCII function.

content/browser/webui/shared_resources_data_source.cc

Index: content/browser/webui/shared_resources_data_source.cc
diff --git a/content/browser/webui/shared_resources_data_source.cc b/content/browser/webui/shared_resources_data_source.cc
index 95b4c2188e4c2a20a1c0dec5bd9dd389f640c098..32dc6c6388f2df41100619b70709843863397f3c 100644
--- a/content/browser/webui/shared_resources_data_source.cc
+++ b/content/browser/webui/shared_resources_data_source.cc
@@ -47,7 +47,8 @@ const ResourcesMap* CreateResourcesMap() {
     const int resource_id = kWebuiResources[i].value;
     AddResource(resource_name, resource_id, result);
     for (const char* (&alias)[2]: kPathAliases) {
-      if (base::StartsWithASCII(resource_name, alias[0], true)) {
+      if (base::StartsWith(resource_name, alias[0],
+                           base::CompareCase::SENSITIVE)) {
         AddResource(alias[1] + resource_name.substr(strlen(alias[0])),
                     resource_id, result);
       }